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Support event delegation with relative selectors. Fixes #10762. Closes gh-860.

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This commit is contained in:
Richard Gibson 2012-07-23 12:48:29 -04:00 committed by Timmy Willison
parent a08a18b80a
commit e761e0c6e0
2 changed files with 14 additions and 11 deletions
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8
src/traversing.js
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@ -1,7 +1,7 @@
var runtil = /Until$/,
rparentsprev = /^(?:parents|prev(?:Until|All))/,
isSimple = /^.[^:#\[\.,]*$/,
POS = jQuery.expr.match.globalPOS,
rneedsContext = jQuery.expr.match.needsContext,
// methods guaranteed to produce a unique set when starting from a unique set
guaranteedUnique = {
children: true,
@ -72,9 +72,9 @@ jQuery.fn.extend({
is: function( selector ) {
return !!selector && (
typeof selector === "string" ?
// If this is a positional selector, check membership in the returned set
// If this is a positional/relative selector, check membership in the returned set
// so $("p:first").is("p:last") won't return true for a doc with two "p".
POS.test( selector ) ?
rneedsContext.test( selector ) ?
jQuery( selector, this.context ).index( this[0] ) >= 0 :
jQuery.filter( selector, this ).length > 0 :
this.filter( selector ).length > 0 );
@ -85,7 +85,7 @@ jQuery.fn.extend({
i = 0,
l = this.length,
ret = [],
pos = POS.test( selectors ) || typeof selectors !== "string" ?
pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
jQuery( selectors, context || this.context ) :
0;

17
test/unit/event.js
View File

@ -2342,17 +2342,20 @@ test("jQuery.off using dispatched jQuery.Event", function() {
.remove();
});
test( "delegated event with delegateTarget-relative selector (#)", function() {
expect(1);
var markup = jQuery( '<ul><li><ul id="u1"><li id="f1"></li></ul></li>' ).appendTo("body");
test( "delegated event with delegateTarget-relative selector", function() {
expect(2);
var markup = jQuery( '<ul><li><a id="a0"></a><ul id="ul0"><li><a id="a0_0"></a></li><li><a id="a0_1"></a></li></ul></li></ul>' ).appendTo("body");
markup
.find("#u1")
.on( "click", "li:first", function() {
ok( this.id === "f1" , "first li under #u1 was clicked" );
.on( "click", ">li>a", function() {
ok( this.id === "a0", "child li was clicked" );
})
.find("#ul0")
.on( "click", "li:first>a", function() {
ok( this.id === "a0_0" , "first li under #u10 was clicked" );
})
.find("#f1").click().end()
.end()
.find("a").click().end()
.remove();
});